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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Prevents backflow of blood from the left ventricle to the left atrium
sodium ions and water
right and left atria
arrhythmias
bicuspid valve
2. Endocardium lines the chambers of the heart
right and left atria
diastole
sodium ions and water
is smooth to prevent abnormal clotting within the heart
3. Coronary sinus receives blood directly from this
coronary veins
sodium ions and water
systole
systole
4. Outermost of the pericardial membranes
fibrous epicardium
aortic and pulmonary semilunar valves
60-80
bundle of His...
5. Purpose of teh coronary vessels
sodium ions and water
supply the heart with oxygenated blood
mediastinum
venous return
6. Largest artery of the body
mediastinum
supply the heart with oxygenated blood
aorta
coronary veins
7. Electical activity of the heart may be depicted in an
ECG
closure of the valves
mediastinum
epicardium
8. Heart rate below 60 bpm
prevent friction as the heart beats
is smooth to prevent abnormal clotting within the heart
bradycardia
vagus nerves
9. The amount of blood that returns to teh heart
diastole
venous return
right and left atria
myocardium
10. Area in the thoracic cavity between the lungs
diastole
systole
mediastinum
epicardium
11. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
arrhythmias
systole
aortic and pulmonary semilunar valves
sodium ions and water
12. The centers that regulate heart rate located in the___
aorta
medulla
cardiac reserve
aorta
13. Backflow o fblood from the arteries to the ventricles is prevented by these
pressoreceptors in teh carotid and aortic sinuses
vagus nerves
aortic and pulmonary semilunar valves
SA node
14. The chambers of teh heart that receive blood from the veins
venous return
right and left atria
cardiac cycle
sodium ions and water
15. Relaxation of chambers of the heart
medulla
diastole
medial to the lungs and superior to the diaphragm
bicuspid valve
16. 1st branches of teh ascending aorta
coronary arteries
SA node
aorta
bradycardia
17. Upper chamber of the heart
cardiac cycle
atrium
fibrullation
mediastinum
18. Natural pacemaker of the heart
diastole
arrhythmias
SA node
tricuspid valve
19. Changes in blood pressure are detected by
epicardium
atrium
endocardium
pressoreceptors in teh carotid and aortic sinuses
20. Amount of blood pumped by a ventricle per beat
superior and inferior caval veins
SA node
stroke volume
mediastinum
21. Contraction
systole
60-80
is smooth to prevent abnormal clotting within the heart
tricuspid valve
22. Nerves that transmit impulses to decrease the heart rate are the ____
bicuspid valve
diastole
right and left atria
vagus nerves
23. Visceral pericardium
prevent friction as the heart beats
epicardium
stroke volume
diastole
24. Sequence of events in one heartbeat
cardiac output
cardiac cycle
superior and inferior caval veins
systole
25. Narrowing of a valve
diastole
venous return
stenosis...
superior and inferior caval veins
26. Part of the myocardium is deprived of its blood supply and becomes ______
aortic and pulmonary semilunar valves
cardiac reserve
supply the heart with oxygenated blood
ischemia
27. Veins that return blood to the right atrium
is smooth to prevent abnormal clotting within the heart
sodium ions and water
superior and inferior caval veins
ECG
28. Normal range of heart rate for a healthy adult is _____ bpm
60-80
bundle of His...
ischemia
cardiac output
29. Cardiac muscle tissue
bicuspid valve
superior and inferior caval veins
myocardium
pressoreceptors in teh carotid and aortic sinuses
30. Normal heart sounds are caused by
closure of the valves
endocardium
myocardium
fibrous epicardium
31. Relaxation
systole
diastole
epicardium
venous return
32. Irregular heartbeats
cardiac cycle
supply the heart with oxygenated blood
60-80
arrhythmias
33. Difference between resting cardiac output adn maximum exercise cardiac output
cardiac reserve
is smooth to prevent abnormal clotting within the heart
coronary arteries
diastole
34. First part of the cardia conduction pathway in teh ventircles
bundle of His...
coronary arteries
supply the heart with oxygenated blood
systole
35. Prevents backflow of blood from teh right ventricle to the right atrium
arrhythmias
ECG
tricuspid valve
cardiac output
36. Funciton of the serous fluid of teh pericardial membranes
pressoreceptors in teh carotid and aortic sinuses
prevent friction as the heart beats
bicuspid valve
cardiac reserve
37. Heart is located here
cardiac reserve
aorta
medial to the lungs and superior to the diaphragm
bicuspid valve
38. Very rapid and uncoordinated ventricular beat
fibrullation
atrium
aortic and pulmonary semilunar valves
stroke volume
39. Vessel into which the left ventricle pumps blood
systole
aorta
venous return
supply the heart with oxygenated blood
40. Each normal heartbeat is initiated by this
endocardium
superior and inferior caval veins
SA node
tricuspid valve
41. Contraction of chambers of the heart
superior and inferior caval veins
systole
myocardium
60-80
42. Amount of blood pumped by a ventricle in 1 minute
cardiac output
aortic and pulmonary semilunar valves
myocardium
endocardium
43. Heart chambers are lined with this
sodium ions and water
pressoreceptors in teh carotid and aortic sinuses
closure of the valves
endocardium